Find the serial number or imei on your iphone, ipad, or ipod


IMEI Blocklist Check

Blocklist kiểm tra for lost or stolenCheck for device authenticityDetect carrier activation issues

GSMA Integration

Easily kiểm tra your IMEI against the GSMA Device Registry (also known as allowlist and blocklist).

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About IMEI Numbers

IMEI stands for International mobile Equipment Identity. As the name indicates, it’s a unique 15 or 16-digit number that is used lớn identify individual sản phẩm điện thoại devices. The first 13 or 15 digits of an IMEI number are the identification portion, while the last digit is a kiểm tra that’s calculated using the Luhn algorithm. IMEI numbers were developed lớn be a permanent identifier of a device, as SIM cards are generally associated with the user.

The IMEI number usually printed inside the battery compartment of a phone, but most modern devices make it easy to lớn get the it by either entering *#06# on the keypad or going into the system settings. (Our blog has a great post showing you how khổng lồ get the IMEI number from any device.)

The IMEI number is used by carriers like Verizon, T-Mobile, and AT&T to lớn determine if a device is valid. This allows them khổng lồ stop individuals from using stolen apk phones or iPhones on their networks. Since the number is tied directly khổng lồ the device itself, tactics such as swapping out the SIM card to give a stolen phone access won’t work. This is why it’s important to kiểm tra its IMEI status.

Learn more about how IMEI numbers work

How does the IMEI blocklist work?

When a device has been stolen, an individual can contact their service provider và ask them to lớn block the phone from their network. That carrier or MVNO then adds the blocked IMEI number khổng lồ shared registries such as the Central Equipment Identity Register (CEIR). Since virtually all networks use the CEIR and related systems, the phone is quickly “bricked” around the world. This includes more than just iPhones or game android devices; many smartwatches like the apple Watch include an IMEI.

It is possible that your current phone may have been blocklisted for reasons besides theft. Depending on your relationship with your carrier, you may be able to get a device that’s been blocked off the blocklist. For example, if an ESN/IMEI has been blocklisted for non-payment, you can likely get it removed simply by bringing your tài khoản up to lớn date. Our service allows you to check IMEI numbers to lớn see your phone’s status at any time.

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Why should you kiểm tra IMEI numbers?

When you enter a number into a service like’s IMEI checker, you can confirm that the number is tied to the device described. This is especially handy when you’re buying a phone from another individual. Additionally, you can take advantage of services such as’s IMEI blocklist kiểm tra to see if the iPhone or apk device is allowed on all the carrier networks.

All devices in the marketplace are subject khổng lồ an IMEI check, which means that you can buy và sell with confidence. In fact, when you kiểm tra IMEI numbers on, you can instantly see how much the device sells for in our marketplace. This lets you know if you’re getting a great giảm giá as-is or if you’d vì better by listing or buying the same mã sản phẩm through us.

Can I use an IMEI kiểm tra service with a MEID?

You can. MEID numbers are used by CDMA (Code Division Multiple Access) carriers on CDMA networks lượt thích Verizon but they fulfill the same function as an IMEI và for most users, the terms are interchangeable.

Learn more about the differences between IMEI & MEID on our blog

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ESN results are generated as accurately as possible with absolutely no guarantees.Terms và Disclaimer| ESN check FAQ

ESN stands for Electronic Serial Number và is a chất lượng identifier for your mobile device.IMEIMEID are both different formats of ESN numbers.Most modern smartphones use an IMEI number as an identifier.